CVE-2021-4190

HIGH

Wireshark < 3.4.12 - Denial of Service

Title source: rule

Description

Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file

References (7)

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/

[Third Party Advisory] https://security.gentoo.org/glsa/202210-04

[Third Party Advisory] https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json

View Writeup ZIP pw:eip

[Exploit, Issue Tracking, Patch, Third Party Advisory] https://gitlab.com/wireshark/wireshark/-/issues/17811

[Mailing List] https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html

[Vendor Advisory] https://www.wireshark.org/security/wnpa-sec-2021-22.html

Scores

CVSS v3 7.5

EPSS 0.0012

EPSS Percentile 30.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-834

Status published

Products (4)

fedoraproject/fedora 34

fedoraproject/fedora 35

wireshark/wireshark 3.6.0

wireshark/wireshark 3.4.0 - 3.4.12

Published Dec 30, 2021

Tracked Since Feb 18, 2026